| 摘要 |
An ink supply device for a large printer is provided to maintain constant ink-level according to the pressure variation in the auxiliary ink tank and thus to maintain print quality. An ink supply device for a large printer comprises a main ink tank(10) having an inlet port on the top and an internal cavity in which ink is stored, an auxiliary ink tank(20) having an internal cavity storing the ink delivered from the main ink tank, an ink supplement pipe(30) having an inlet port formed on the front lower end of the main ink tank and an outlet port formed on the upper side of the auxiliary ink tank, and an ink supply pipe(40) having an inlet port formed on the lower surface of the auxiliary ink tank and an outlet port connected to a printer head connector(60). The ink in the main ink tank is supplied via the auxiliary ink tank to the printer head connector.
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